diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..8f48f31
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+*.twin linguist-language=vb6
+*.bas linguist-language=vb6
+*.frm linguist-language=vb6